<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link href="https://cdn.bootcdn.net/ajax/libs/font-awesome/5.13.0/css/all.css" rel="stylesheet">
</head>
<style>
    .box {
        width: 500px;
        height: 300px;
        /* background-color: aquamarine; */
        margin: 100px auto;
        padding-top: 15px;
        /* position: relative; */
        /* display: flex; */
        /* justify-content: center; */
        /* align-items: center; */
    }

    .box div {
        position: relative;
    }

    .box p {
        text-align: center;
        font-size: 25px;
        /* margin-top: 15px; */
        /* display: block; */
    }

    .box div span {
        position: absolute;
        left: 15%;
        top: 35%;
    }

    /* .box .fa-user {
    position: absolute;
    left: 15%;
    top: 35%;
  }

  .box .fa-lock {
    position: absolute;
    left: 15%;
    top: 5%;
  } */

    .box input {
        text-indent: 55px;
        margin: auto;
        display: block;
        outline-style: none;
        border: 1px solid #ccc;
        width: 400px;
        height: 50px;
        margin-bottom: 10px;
        border-radius: 25px;
    }

    .box input:hover {
        border: 1px solid #888;
    }

    .box button {
        width: 60px;
        height: 30px;
        border-radius: 15px;
        outline-style: none;
        border: none;
        cursor: pointer;
        background-color: aquamarine;
        margin-right: 30px;

    }

    .box .btn {
        margin-left: 170px;
        margin-top: 30px;
    }
</style>

<body>
    <div class="box">
        <p>飞天数据系统</p>
        <div><span class="fa fa-user" aria-hidden="true"></span><input type="text"></div>
        <div><span class="fa fa-lock" aria-hidden="true"></span><input type="text"></div>
        <div class="btn">
            <button>注册</button>
            <button>登录</button>
        </div>
    </div>

</body>

</html>